Lowell Blackford, a talented musician with a rare "evil eye" that hypnotizes people, seeks a Broadway publisher for his symphonietta. He crashes an audition at Swing Publishing, where he meets Ginger Gray, a torch singer, and her fiancé Waltzy Malone. Waltzy discovers Lowell's power and plans to use it to help his fighter, "Killer" Kennedy, win the championship. Lowell joins a band at Ginger's club, but things become complicated when Ginger objects to using Lowell's power and Lowell proposes to her, only to join the Tank Corps after she rejects him.
Swing Fever
A talented musician with a rare gift struggles to connect with others as his hypnotic abilities isolate him, leading him to pursue a Broadway publisher in hopes of sharing his symphonietta with the world.